-66.96% is the change from 678 to 224
Calculation steps:
[( 224 - 678 ) ÷ 678] x 100 = -66.96%
Formula
Percentage change = [(224 - 678) / 678] x 100
Subtract the new number by the original number
224 - 678 = -454
-454 ÷ 678 = -0.6696165191740413
-0.6696165191740413 x 100 = -66.96%